To get an HTML color code from an image, open the image in a color-picker tool, use its eyedropper on the pixel you want, and copy the displayed HEX value—usually a six-digit code such as #2A7FDB. For an image already displayed on your screen, Chrome DevTools’ eyedropper or a desktop editor such as Photoshop can sample the visible pixel instead. The result represents the sampled pixel, not necessarily the single color you perceive across a textured, compressed, or anti-aliased area.
Choose the right way to sample
The best method depends on where the image is and how repeatable the result needs to be. For a saved image, a browser-based color picker is usually the quickest route: load the file, point at the color, and copy the code. For a pixel anywhere on your screen, Chrome DevTools’ Color Picker has an eyedropper mode. For a recurring design workflow, an editor such as Photoshop lets you sample the image and read the HEX value from its Color Picker.
| Method | What it samples | Useful when | Color-space notes |
|---|---|---|---|
| Online image color picker | An image file you load or drop into the tool | You want a quick, no-code result in HEX, RGB, or HSL | Check whether the tool processes locally or uploads the image if privacy matters; tools differ in their options. |
| Chrome DevTools eyedropper | A pixel from a page or elsewhere on the screen | The image is already visible and you need to sample what is displayed | Chrome documents the eyedropper as sampling in sRGB. |
| EyeDropper API | A screen pixel selected by the user from a web app | You are building a browser-based picker and the browser supports the API | The returned sRGBHex is an sRGB HEX value. |
| Photoshop Eyedropper | A point in an image open in the editor | You already use Photoshop and want a repeatable desktop workflow | Read the HEX value in the Color Picker; verify document and color settings for production work. |
Canvas getImageData() |
Pixel data in a canvas you control | You need to implement sampling in your own web page | Canvas can request sRGB or display-P3 data; the chosen space affects values. |
Get a HEX code without writing code
From an image file
- Open an image color-picker tool that supports the file format you have, such as PNG, JPEG, WebP, or GIF. Check the tool’s stated formats if your image is less common.
- Load or drop the image into the picker. If the image is private, prefer a tool that says it processes locally in your browser; an upload-based service may send the file to its server.
- Move the eyedropper over the area. Use the preview or magnification, if offered, to check the pixel you are about to choose.
- Click the point that best represents the color you need, then copy its HEX value. Choose RGB or HSL instead if the application you are using asks for that format.
A click samples a point; it does not automatically calculate the average color of a region. If the surface has texture, noise, a shadow, or a gradient, choose a representative point or use a tool that explicitly supports averaging an area.
From anywhere on the screen in Chrome
Chrome DevTools includes a Color Picker with an eyedropper that can sample a visible page or another part of the screen. Open DevTools, locate a CSS color swatch in the Styles pane, open its Color Picker, and activate the eyedropper. Move to the pixel you want and select it. Press Escape to leave eyedropper mode. The sampled value uses sRGB, so it may not match a value produced in a workflow that preserves a wider-gamut color.
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In Photoshop
Open the image, select the Eyedropper tool, and click the desired color. Open the Color Picker and copy the HEX value shown there. Adobe documents this as a way to obtain a color for HTML/CSS and digital design. For work that must match across applications or output devices, also check the document’s color profile and the destination’s color settings: a HEX string alone does not describe the full color-management workflow.
What an HTML color code represents
A CSS HEX color is a compact way to describe red, green, and blue components, with optional transparency. In #RRGGBB, each pair is one channel: red, then green, then blue. Each channel ranges from 00 (the lowest value) to FF (the highest). For example, #FF8000 means red at FF, green at 80, and blue at 00.
#RGB: three-digit shorthand for an opaque color. Each digit is repeated, so#F80expands to#FF8800.#RGBA: three-digit shorthand with a final alpha digit for transparency.#RRGGBB: the common six-digit form for an opaque color.#RRGGBBAA: the six-digit form followed by an alpha byte.00is fully transparent andFFis fully opaque.
Use #RRGGBB when you need an opaque color and #RRGGBBAA when the transparency is part of the color you need to preserve. Many interfaces also display RGB or HSL; these are alternate ways to express color, not different samples.
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Build a simple image color picker with JavaScript
For a custom picker, draw the image into a canvas, translate the pointer’s displayed position to the canvas’s pixel coordinates, and read one pixel with getImageData(). This minimal example loads a user-selected image, scales it to fit a preview canvas, and reports the pixel beneath the pointer as HEX and RGBA. It treats the canvas dimensions as the sampling resolution; if the image is scaled, the returned value is the pixel in that rendered canvas, not necessarily an untouched source pixel.
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<!doctype html>
<meta charset="utf-8">
<title>Image color picker</title>
<label>Choose an image: <input id="file" type="file" accept="image/*"></label>
<canvas id="canvas" style="display:block;max-width:100%;height:auto;cursor:crosshair"></canvas>
<p id="result">Choose an image, then move over it to sample a pixel.</p>
<script>
const input = document.querySelector('#file');
const canvas = document.querySelector('#canvas');
const ctx = canvas.getContext('2d', { willReadFrequently: true });
const result = document.querySelector('#result');
let bitmap;
input.addEventListener('change', async () => {
const file = input.files[0];
if (!file) return;
try {
bitmap = await createImageBitmap(file);
canvas.width = bitmap.width;
canvas.height = bitmap.height;
ctx.drawImage(bitmap, 0, 0);
result.textContent = `Image loaded: ${canvas.width} × ${canvas.height}. Move over it to sample.`;
} catch (error) {
result.textContent = 'Could not open this image. Try another supported image file.';
}
});
canvas.addEventListener('pointermove', (event) => {
if (!bitmap) return;
const rect = canvas.getBoundingClientRect();
const x = Math.min(canvas.width - 1, Math.max(0,
Math.floor((event.clientX - rect.left) * canvas.width / rect.width)));
const y = Math.min(canvas.height - 1, Math.max(0,
Math.floor((event.clientY - rect.top) * canvas.height / rect.height)));
try {
const [r, g, b, a] = ctx.getImageData(x, y, 1, 1).data;
const hex = '#' + [r, g, b].map(v => v.toString(16).padStart(2, '0')).join('');
result.textContent = `${hex.toUpperCase()} · rgba(${r}, ${g}, ${b}, ${(a / 255).toFixed(3)}) · pixel ${x}, ${y}`;
} catch (error) {
result.textContent = 'Could not read this pixel. Check image origin and canvas CORS access.';
}
});
</script>Save this as an HTML file and open it in a browser that supports createImageBitmap(). The file input loads a local image, so this example does not fetch an image from a remote server. Its canvas dimensions match the decoded image dimensions, and the coordinate calculation compensates for the canvas being displayed at a different CSS size. If you deliberately resize the canvas or draw a thumbnail into it, the sample corresponds to that resized rendering.
getImageData(x, y, 1, 1) returns an ImageData object. Its default pixel values are four 8-bit channels: red, green, blue, and alpha. The code above displays RGB as a six-digit HEX value and reports alpha separately as an RGBA value. If preserving transparency matters, include alpha in the HEX string instead of discarding it. Canvas also documents optional sRGB or display-P3 requests and floating-point RGBA data for HDR or wide-gamut workflows; use those only when the source and downstream system require them, because their numbers should not be treated as interchangeable with ordinary 8-bit sRGB HEX.
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Sampling a remote image
A remote image can be drawn into a canvas only if browser origin rules permit pixel access. If the image comes from a different origin and that server does not provide suitable CORS headers, the browser taints the canvas and reading pixels with getImageData() fails with a security error. Use an image served with appropriate CORS permission, a same-origin copy you are allowed to use, or a server-side workflow that has legitimate access to the file. Do not assume that adding a client-side option can override another server’s CORS policy.
Why the sampled value may not match what you expected
Compression and edges
JPEG compression can change pixel values, including pixels in areas that look like a single flat color. Anti-aliased edges also blend foreground and background colors to make boundaries look smooth. A sample next to the center of a shape may therefore differ from a sample on its edge. If you need a brand color, sample an original source asset or design file rather than a compressed screenshot when possible.
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Resizing an image can interpolate neighboring pixels, creating values that were not present at the original resolution. A screenshot of a scaled image may capture those interpolated values, while sampling the original file can return its stored pixel values. Browser zoom, device-pixel ratio, and the rendered size can also affect which displayed pixel you select. For exact reproduction, sample the original at its intended resolution and record the coordinates or selection method.
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Transparency and compositing
A transparent pixel has an alpha channel as well as color channels. If you copy only #RRGGBB, you discard transparency. The visible appearance of a partially transparent pixel also depends on the background behind it, so the HEX RGB channels alone may not look like the composited color on screen. Preserve alpha with #RRGGBBAA or an rgba() representation when the receiving format supports it.
Color-space conversion
A HEX value is typically an sRGB representation, but wide-gamut content can use a different color space. Chrome’s documented eyedropper returns sRGB, while Canvas can request sRGB or display-P3 data. Converting or sampling in different spaces can change numeric channel values even when the displayed colors look close. Keep the source, picker, and destination color spaces explicit for design or production work.
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If what you need is a screenshot of a webpage before sampling its colors, ScreenshotNeo can return a page capture through one GET request. It is a screenshot API, not a pixel color picker: use the resulting image in one of the methods above to extract a particular color. See the ScreenshotNeo website and API documentation.
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Troubleshooting
- The code changes when I click a nearby pixel. You may be on a JPEG artifact, an anti-aliased edge, or a gradient. Zoom in and sample a representative interior pixel; use an area-average feature only if the target is meant to represent a region.
- The eyedropper will not select outside the page. Confirm you are using Chrome DevTools’ eyedropper, not a page-local picker, and press Escape when you are done sampling. If the interface is embedded or managed by a browser policy, try loading the image in a desktop editor.
- The canvas pixel read throws a security error. The image may be cross-origin without CORS permission. Use a local file input, a same-origin asset, or an image server configured to allow the access.
- The HEX looks different from the image. Check whether the source has transparency, whether the image was resized or compressed, and whether one workflow uses sRGB while another uses display-P3. Compare like-for-like source pixels and color spaces.
- The sample appears transparent or black. Inspect alpha as well as RGB. Transparent pixels can have RGB channel values that do not describe their visible appearance over a page background.
- The JavaScript example cannot load my file. Check that the selected file is an image format supported by the browser’s image decoder. The example reports an error if decoding fails; try a standard PNG, JPEG, or WebP copy.
Frequently asked questions
Is an HTML color code the same thing as a HEX code?
In this context, yes: the common HTML/CSS color code people mean is CSS HEX notation, such as #336699. CSS also supports other color representations, including RGB and HSL.
Can I get a color code from a screenshot?
Yes. Load the screenshot into an image picker or sample the visible pixel with Chrome DevTools. If the screenshot was resized, compressed, or captured from a wide-gamut display, its pixel value may differ from the original design color.
Can one sampled pixel tell me the color of a whole object?
Only if the object is uniformly colored and the chosen pixel is representative. Lighting, gradients, texture, compression, and edge blending often mean one object contains many pixel values.
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